1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util.comparator;
24  
25  import com.liferay.portal.kernel.util.DateUtil;
26  import com.liferay.portal.model.UserTracker;
27  
28  import java.io.Serializable;
29  
30  import java.util.Comparator;
31  
32  /**
33   * <a href="UserTrackerModifiedDateComparator.java.html"><b><i>View Source</i>
34   * </b></a>
35   *
36   * @author Brian Wing Shun Chan
37   */
38  public class UserTrackerModifiedDateComparator
39      implements Comparator<UserTracker>, Serializable {
40  
41      public UserTrackerModifiedDateComparator() {
42          this(false);
43      }
44  
45      public UserTrackerModifiedDateComparator(boolean asc) {
46          _asc = asc;
47      }
48  
49      public int compare(UserTracker userTracker1, UserTracker userTracker2) {
50          int value = DateUtil.compareTo(
51              userTracker1.getModifiedDate(), userTracker2.getModifiedDate());
52  
53          if (_asc) {
54              return value;
55          }
56          else {
57              return -value;
58          }
59      }
60  
61      private boolean _asc;
62  
63  }